Inventor · disambiguated record
Nitinkumar R. Patel
Also filed as: PATEL NITINKUMAR · PATEL NITINKUMAR R · PATEL NITINKUMAR RATILAL
48 granted patents·3 pending applications·1,304 citations·filing 1997–2024
99Inventor score
Files withGEN MOTORS CORP19GM GLOBAL TECH OPERATIONS INC16PATEL NITINKUMAR R5GM GLOBAL TECH OPERATIONS LLC2SON YO CHAN2
Top patents by PatentIndex Score
51 records- 0198US6163127ASystem and method for controlling a position sensorless permanent magnet motorGEN MOTORS CORP·Filed 1999·Granted Dec 19, 2000·171 cites·10 claims
- 0297US7592766B2Gearless wheel motor drive systemGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Sep 22, 2009·47 cites·2 claims
- 0397US6894454B2Position sensorless control algorithm for AC machineGEN MOTORS CORP·Filed 2002·Granted May 17, 2005·77 cites·19 claims
- 0496US7002318B1Position sensor fault tolerant control for automotive propulsion systemGEN MOTORS CORP·Filed 2004·Granted Feb 21, 2006·105 cites·18 claims
- 0595US8487575B2Electric motor stator winding temperature estimationYEH CHIA-CHOU·Filed 2009·Granted Jul 16, 2013·30 cites·13 claims
- 0695US7839108B2Electric motor stator winding temperature estimationGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Nov 23, 2010·32 cites·18 claims
- 0794US6924617B2Position sensorless control algorithm for AC machineGEN MOTORS CORP·Filed 2003·Granted Aug 2, 2005·59 cites·18 claims
- 0892US7525269B2Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive systemGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Apr 28, 2009·27 cites·17 claims
- 0992US7023168B1Field weakening motor control system and methodGEN MOTORS CORP·Filed 2004·Granted Apr 4, 2006·52 cites·16 claims
- 1092US6763622B2Amplitude detection method and apparatus for high frequency impedance tracking sensorless algorithmGEN MOTORS CORP·Filed 2002·Granted Jul 20, 2004·48 cites·18 claims
- 1191US8378605B2Method and apparatus for monitoring a system including a sensorless electric motorGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Feb 19, 2013·10 cites·14 claims
- 1291US7508149B2Oil pump systems and methods for preventing torque overload in motors of oil pump systemsGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Mar 24, 2009·12 cites·14 claims
- 1391US6008618AZero speed start-up for a speed sensorless induction motor driveGEN MOTORS CORP·Filed 1997·Granted Dec 28, 1999·71 cites·11 claims
- 1490US7211984B2Start-up and restart of interior permanent magnet machinesGEN MOTORS CORP·Filed 2004·Granted May 1, 2007·40 cites·7 claims
- 1590US6841969B1Flux observer in a sensorless controller for permanent magnet motorsGEN MOTORS CORP·Filed 2003·Granted Jan 11, 2005·45 cites·18 claims
- 1690US6304052B1Control system for a permanent magnet motorGEN MOTORS CORP·Filed 2000·Granted Oct 16, 2001·50 cites·14 claims
- 1789US7642737B2Anti-windup control for a current regulator of a pulse width modulation inverterGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 5, 2010·21 cites·18 claims
- 1888US7262536B2Gearless wheel motor drive systemGEN MOTORS CORP·Filed 2004·Granted Aug 28, 2007·62 cites·31 claims
- 1986US7595600B2Method and system for torque control in permanent magnet machinesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Sep 29, 2009·17 cites·20 claims
- 2083US7459874B2System and method for controlling electric drive systemsGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 2, 2008·20 cites·20 claims
- 2182US8253360B2Vector controlled motor drive system implementing pulse width modulated (PWM) waveformsSCHULZ STEVEN E·Filed 2009·Granted Aug 28, 2012·19 cites·18 claims
- 2282US8174222B2Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pumpPATEL NITINKUMAR R·Filed 2009·Granted May 8, 2012·20 cites·20 claims
- 2381US8319460B2Method and system for initiating operation of an electric motorSON YO CHAN·Filed 2009·Granted Nov 27, 2012·13 cites·17 claims
- 2481US7843162B2Current regulator and current control method and system for AC motorsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Nov 30, 2010·13 cites·20 claims
- 2580US7015667B2Current regulation for a field weakening motor control system and methodGEN MOTORS CORP·Filed 2004·Granted Mar 21, 2006·25 cites·12 claims
- 2680US6989641B2Methods and apparatus for fault-tolerant control of electric machinesGEN MOTORS CORP·Filed 2003·Granted Jan 24, 2006·28 cites·10 claims
- 2779US8414270B2Speed control of an electrically-actuated fluid pumpSAH JY-JEN F·Filed 2010·Granted Apr 9, 2013·4 cites·15 claims
- 2879US8340848B2Method and system for sensorless control of an electric motorSON YO CHAN·Filed 2007·Granted Dec 25, 2012·12 cites·13 claims
- 2978US8339081B2Method and apparatus for low speed permanent magnet motor operationPATEL NITINKUMAR R·Filed 2009·Granted Dec 25, 2012·11 cites·18 claims
- 3075US7576500B2Method and system for operating a motor to reduce noise in an electric vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 18, 2009·10 cites·20 claims
- 3174US7449859B2Reduction of subharmonic oscillation at high frequency operation of a power inverterGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 11, 2008·13 cites·20 claims
- 3274US6762573B2System and method for estimating rotor position of a permanent magnet motorGEN MOTORS CORP·Filed 2002·Granted Jul 13, 2004·20 cites·24 claims
- 3373US10056792B2Interior permanent magnet electric machineGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Aug 21, 2018·1 cites·20 claims
- 3473US7282886B1Method and system for controlling permanent magnet motor drive systemsGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 16, 2007·14 cites·20 claims
- 3572US6208110B1Method for determining rotor positionGEN MOTORS CORP·Filed 1999·Granted Mar 27, 2001·43 cites·4 claims
- 3670US7088077B2Position-sensorless control of interior permanent magnet machinesGEN MOTORS CORP·Filed 2004·Granted Aug 8, 2006·16 cites·18 claims
- 3767US8913352B2Method and apparatus for detecting a desaturation fault in an inverter moduleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Dec 16, 2014·2 cites·17 claims
- 3863US8269445B2Limp home operational mode for an electric vehiclePATEL NITINKUMAR R·Filed 2009·Granted Sep 18, 2012·5 cites·20 claims
- 3961US2025296547A1Multifuel adaptable series hybrid vehicleCANOO TECH INC·Filed 2024·Application pending·0 cites
- 4060US7679309B2Method and system for motor control with delay compensationGM GLOBAL TECHNOLOGIES OPERATI·Filed 2007·Granted Mar 16, 2010·4 cites·20 claims
- 4160US6979968B2Method and system for managing processor execution time utilizing variable frequency switchingGEN MOTORS CORP·Filed 2003·Granted Dec 27, 2005·10 cites·9 claims
- 4258US7042186B2Decoupling a harmonic signal from a signal pathGEN MOTORS CORP·Filed 2003·Granted May 9, 2006·9 cites·21 claims
- 4357US6760669B2Method and system of reducing inefficiencies in an internal permanent magnet motor using fuzzy logicGEN MOTORS CORP·Filed 2001·Granted Jul 6, 2004·6 cites·17 claims
- 4456US8310189B2Position sensorless control of permanent magnet motorsPATEL NITINKUMAR R·Filed 2009·Granted Nov 13, 2012·3 cites·6 claims
- 4555US8634976B2Systems and methods for managing torque capability in electric motor systemsWELCHKO BRIAN A·Filed 2010·Granted Jan 21, 2014·1 cites·19 claims
- 4655US8258736B2Fail-safe controls for electric traction drive systemsPATEL NITINKUMAR R·Filed 2009·Granted Sep 4, 2012·3 cites·20 claims
- 4755US7659684B2Method and system for operating a motor to avoid selected pulse ratio valuesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Feb 9, 2010·3 cites·11 claims
- 4853US10116174B2Synchronous reluctance electric machineGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Oct 30, 2018·0 cites·18 claims
- 4946US2009295316A1Gearless wheel motor drive systemGM GLOBAL TECH OPERATIONS INC·Filed 2009·Application pending·0 cites
- 5046US2011106476A1Methods and systems for thermistor temperature processingGM GLOBAL TECH OPERATIONS INC·Filed 2009·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →